1 files changed, 102 insertions, 0 deletions
diff --git a/include/sway/input_state.h b/include/sway/input_state.h
new file mode 100644
index 00000000..903301fb
--- /dev/null
+++ b/include/sway/input_state.h
@@ -0,0 +1,102 @@
+#ifndef  _SWAY_KEY_STATE_H
+#define  _SWAY_KEY_STATE_H
+#include <stdbool.h>
+#include <stdint.h>
+#include "container.h"
+
+/* Keyboard state */
+
+// returns true if key has been pressed, otherwise false
+bool check_key(uint32_t key_sym, uint32_t key_code);
+
+// returns true if key_sym matches latest released key.
+bool check_released_key(uint32_t key_sym);
+
+// sets a key as pressed
+void press_key(uint32_t key_sym, uint32_t key_code);
+
+// unsets a key as pressed
+void release_key(uint32_t key_sym, uint32_t key_code);
+
+
+/* Pointer state */
+
+enum pointer_values {
+	M_LEFT_CLICK = 272,
+	M_RIGHT_CLICK = 273,
+	M_SCROLL_CLICK = 274,
+	M_SCROLL_UP = 275,
+	M_SCROLL_DOWN = 276,
+};
+
+enum pointer_mode {
+	// Target
+	M_FLOATING = 1,
+	M_TILING = 2,
+	// Action
+	M_DRAGGING = 4,
+	M_RESIZING = 8,
+};
+
+struct pointer_button_state {
+	bool held;
+	// state at the point it was pressed
+	int x, y;
+	swayc_t *view;
+};
+
+extern struct pointer_state {
+	// mouse clicks
+	struct pointer_button_state left;
+	struct pointer_button_state right;
+	struct pointer_button_state scroll;
+
+	// change in pointer position
+	struct {
+		int x, y;
+	} delta;
+
+	// view pointer is currently over
+	swayc_t *view;
+
+	// Pointer mode
+	int mode;
+} pointer_state;
+
+enum modifier_state {
+	MOD_STATE_UNCHANGED = 0,
+	MOD_STATE_PRESSED = 1,
+	MOD_STATE_RELEASED = 2
+};
+
+void pointer_position_set(struct wlc_origin *new_origin, bool force_focus);
+void center_pointer_on(swayc_t *view);
+
+// on button release unset mode depending on the button.
+// on button press set mode conditionally depending on the button
+void pointer_mode_set(uint32_t button, bool condition);
+
+// Update mode in mouse motion
+void pointer_mode_update(void);
+
+// Reset mode on any keypress;
+void pointer_mode_reset(void);
+
+void input_init(void);
+
+/**
+ * Check if state of mod changed from current state to new_state.
+ *
+ * Returns MOD_STATE_UNCHANGED if the state didn't change, MOD_STATE_PRESSED if
+ * the state changed to pressed and MOD_STATE_RELEASED if the state changed to
+ * released.
+ */
+uint32_t modifier_state_changed(uint32_t new_state, uint32_t mod);
+
+/**
+ * Update the current modifiers state to new_state.
+ */
+void modifiers_state_update(uint32_t new_state);
+
+#endif
+